HD 57197

M Puppis (M Pup, HR 2789, HD 57197) is a blue giant or bright giant star (spectral type B8II/III[3]) in the constellation Puppis. Its apparent magnitude is 5.84,[2] which means it is visible with the naked eye under optimal conditions. It is approximately 590 light years away based on parallax.[1]

M Puppis
Location of M Puppis (circled)
Observation data
Epoch J2000      Equinox J2000
Constellation Puppis
Right ascension  07h 18m 04.24926s[1]
Declination −43° 59 12.4288[1]
Apparent magnitude (V) 5.84[2]
Characteristics
Spectral type B8II/III[3]
Astrometry
Radial velocity (Rv)+13.00[4] km/s
Proper motion (μ) RA: -9.60[1] mas/yr
Dec.: -5.46[1] mas/yr
Parallax (π)5.51 ± 0.23[1] mas
Distance590 ± 20 ly
(181 ± 8 pc)
Other designations
M Puppis, CD-43°3093, GC 9732, HIP 35347, HR 2789, HD 57197, SAO 218618
Database references
SIMBADdata

References

  1. Van Leeuwen, F. (2007). "Validation of the new Hipparcos reduction". Astronomy and Astrophysics. 474 (2): 653. arXiv:0708.1752. Bibcode:2007A&A...474..653V. doi:10.1051/0004-6361:20078357. Vizier catalog entry
  2. Hog, E.; Fabricius, C. (2000). "The Tycho-2 catalogue of the 2.5 million brightest stars". Astronomy and Astrophysics. Bibcode:2000A&A...355L..27H. Vizier catalog entry
  3. Houk, N. (1978). "Catalogue of two dimensional spectral types for the HD stars, Vol. 2". Michigan Spectral Survey. 2. Bibcode:1978mcts.book.....H.
  4. Kharchenko, N.V.; Scholz, R.-D.; Piskunov, A.E.; Röser, S.; Schilbach, E. (2007). "Astrophysical supplements to the ASCC-2.5: Ia. Radial velocities of ∼55000 stars and mean radial velocities of 516 Galactic open clusters and associations". Astronomische Nachrichten. 328 (9): 889. arXiv:0705.0878. Bibcode:2007AN....328..889K. doi:10.1002/asna.200710776.


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